Right now
72°F
NJ Weather
Mercer County weather
Live local weather, warnings, forecast timing, wind, humidity, and weather alerts that may affect your day.
Warnings2 active NWS alerts
Wind0 mph
Humidity100%
Feels like73°F
Dew point72°F
Pressure30.02 inHg
Visibility4.0 mi
SourceNational Weather Service
Hourly forecast
Tap an hour for more detail
4 AM
73°F
Patchy Fog
Wind: 0 mph
Rain chance: 1%
5 AM
73°F
Patchy Fog
Wind: 5 mph SW
Rain chance: 2%
6 AM
73°F
Patchy Fog
Wind: 5 mph SW
Rain chance: 2%
7 AM
74°F
Patchy Fog
Wind: 5 mph SW
Rain chance: 2%
8 AM
75°F
Patchy Fog
Wind: 5 mph SW
Rain chance: 5%
9 AM
78°F
Mostly Sunny
Wind: 5 mph W
Rain chance: 4%
10 AM
81°F
Mostly Sunny
Wind: 5 mph W
Rain chance: 3%
11 AM
83°F
Mostly Sunny
Wind: 5 mph W
Rain chance: 3%
12 PM
86°F
Sunny
Wind: 10 mph W
Rain chance: 5%
1 PM
88°F
Slight Chance Showers And Thunderstorms
Wind: 10 mph W
Rain chance: 15%
2 PM
90°F
Chance Showers And Thunderstorms
Wind: 10 mph W
Rain chance: 25%
3 PM
91°F
Chance Showers And Thunderstorms
Wind: 10 mph W
Rain chance: 25%
4 PM
90°F
Chance Showers And Thunderstorms
Wind: 10 mph W
Rain chance: 26%
5 PM
89°F
Chance Showers And Thunderstorms
Wind: 10 mph W
Rain chance: 26%
6 PM
88°F
Chance Showers And Thunderstorms
Wind: 10 mph W
Rain chance: 26%
7 PM
86°F
Chance Showers And Thunderstorms
Wind: 10 mph SW
Rain chance: 25%
8 PM
84°F
Chance Showers And Thunderstorms
Wind: 5 mph W
Rain chance: 25%
9 PM
82°F
Chance Showers And Thunderstorms
Wind: 5 mph W
Rain chance: 25% Daily outlook
Tap a day for details
Overnight
72°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 72. Southwest wind 0 to 5 mph.
Wind: 0 to 5 mph SW
Saturday
91°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog before 9am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wind: 5 to 10 mph SW
Saturday Night
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Wind: 5 to 10 mph SW
Sunday
93°F
Patchy Fog then Mostly Sunny
Patchy fog before 8am. Mostly sunny, with a high near 93. West wind 5 to 10 mph.
Wind: 5 to 10 mph W
Sunday Night
70°F
Mostly Clear
Mostly clear, with a low around 70. Northwest wind 0 to 5 mph.
Wind: 0 to 5 mph NW
Monday
92°F
Sunny
Sunny, with a high near 92.
Wind: 0 to 5 mph NW
Monday Night
72°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 8pm and 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am. Partly cloudy, with a low around 72.
Wind: 0 to 5 mph W
Tuesday
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Wind: 5 to 10 mph W
Tuesday Night
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Wind: 0 to 5 mph W
Wednesday
88°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wind: 0 to 5 mph NWOfficial NWS alerts
Mercer CountyModerate Heat Advisory New Castle; Somerset; Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Gloucester; Camden; Northwestern Burlington; Ocean; Southeastern Burlington; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
Heat Advisory issued August 8 at 2:27AM EDT until August 8 at 8:00PM EDT by NWS Mount Holly NJ
* WHAT...Heat index values up to 102 degrees.
* WHERE...Portions of northern Delaware, central, northern, and
southern New Jersey, and southeast Pennsylvania.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Warm and very humid conditions at night will
not offer much relief from the heat and humidity.
Instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Unknown Air Quality Alert Middlesex; Mercer
Air Quality Alert issued August 7 at 3:45PM EDT by NWS Mount Holly NJ
The New Jersey Department of Environmental Protection has
issued a code orange air quality alert Saturday for Middlesex
and Mercer Counties in New Jersey.
A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine
particles...visit http://www.state.nj.us/dep/